Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. John Kopf Donahue, MD, MPH

Individual provider Anatomic Pathology & Clinical Pathology Physician · NPI 1952400061

Dr. John Kopf Donahue, MD, MPH practises Pathology in Belleville, New Jersey. Qualified in 1986, 40 years ago. Practices with Morristown Pathology Associates PA, a 26-clinician group and accepts Medicare assignment. Licensed in New Jersey.

Years since qualifying
40
Licensed in
NJ
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
MPH — Master of Public Health
A graduate degree in population health.

See every abbreviation used in this directory →

Practice location Address checks out

1 Clara Maass Dr
Belleville, NJ 07109-3550 Not confirmed with CMS for 19 years — call before visiting
Phone: (973) 450-2245
Fax: (973) 844-4976
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Anatomic Pathology & Clinical Pathology Physician (primary) Taxonomy 207ZP0102X · Licence MA05798400 (NJ)

Record details

NPI number1952400061
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , MPH
Sole proprietorYes
NPI enumeratedSeptember 22, 2006
Last updated in NPPESJuly 8, 2007

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPATHOLOGY
Medical schoolOTHER
Graduated 1986 (40 years in practice)
Group practice Morristown Pathology Associates Pa — 26 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients906
Services billed 1,527 a service is one billed item, such as a visit, a test or a procedure
Average patient age74

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician. Those with a page here are linked.

Colleagues at Morristown Pathology Associates PA

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 26 clinicians in the practice; 12 are shown here.

Other providers in Belleville